-x/2+20=4

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Solution for -x/2+20=4 equation: 


x in (-oo:+oo)

20-x/2 = 4 // - 4

20-x/2-4 = 0

16-1/2*x = 0 // - 16

-1/2*x = -16 // : -1/2

x = -16/(-1/2)

x = 32

x = 32

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